gr math simplification:

Replaces gr_gcd, gr_isnan, and gr_signbit one-time instances with boot math calls.
No point in wrapping these utility math functions into gnuradio when they are
1) provided by boost
2) only called once

Removes gr_math.cc, and configure checks for isnan.

3 files changed, 0 insertions, 116 deletions

diff --git a/gnuradio-core/src/lib/general/Makefile.am b/gnuradio-core/src/lib/general/Makefile.am
index 08610c58a..3ceea7a6d 100644
--- a/gnuradio-core/src/lib/general/Makefile.am
+++ b/gnuradio-core/src/lib/general/Makefile.am
@@ -100,7 +100,6 @@ libgeneral_la_SOURCES = 		\
 	gr_lms_dfe_cc.cc		\
 	gr_lms_dfe_ff.cc		\
 	gr_map_bb.cc			\
-	gr_math.cc			\
 	gr_misc.cc			\
 	gr_mpsk_receiver_cc.cc		\
 	gr_nlog10_ff.cc			\
diff --git a/gnuradio-core/src/lib/general/gr_math.cc b/gnuradio-core/src/lib/general/gr_math.cc
deleted file mode 100644
index 82dff469c..000000000
--- a/gnuradio-core/src/lib/general/gr_math.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003 Free Software Foundation, Inc.
- * 
- * This file is part of GNU Radio
- * 
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- * 
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <gr_math.h>
-#include <math.h>
-
-/*
- * Greatest Common Divisor, using Euclid's algorithm.
- * [There are faster algorithms.  See Knuth 4.5.2 if you care]
- */
-
-long
-gr_gcd (long m, long n)
-{
-  if (m < 0)
-    m = -m;
-  
-  if (n < 0)
-    n = -n;
-
-  while (n != 0){
-    long	t = m % n;
-    m = n;
-    n = t;
-  }
-
-  return m;
-}
-
-
-/*
- * These really need some configure hacking to figure out the right answer.
- * As a stop gap, try for a macro, and if not that, then try std::
- */
-
-// returns a non-zero value if value is "not-a-number" (NaN), and 0 otherwise
-
-#if defined(isnan) || !defined(CXX_HAS_STD_ISNAN)
-
-int 
-gr_isnan (double value)
-{
-  return isnan (value);
-}
-
-#else
-
-int 
-gr_isnan (double value)
-{
-  return std::isnan (value);
-}
-
-#endif
-
-// returns a non-zero value if the value of x has its sign bit set.
-//
-// This  is  not  the  same  as `x < 0.0', because IEEE 754 floating point
-// allows zero to be signed.  The comparison `-0.0 < 0.0'  is  false,  but
-// `gr_signbit (-0.0)' will return a nonzero value.
-
-#ifdef signbit
-
-int 
-gr_signbit (double x)
-{
-  return signbit (x);
-}
-
-#else
-
-int 
-gr_signbit (double x)
-{
-  return std::signbit (x);
-}
-
-
-#endif
diff --git a/gnuradio-core/src/lib/general/gr_math.h b/gnuradio-core/src/lib/general/gr_math.h
index ea0f20027..f5935c1da 100644
--- a/gnuradio-core/src/lib/general/gr_math.h
+++ b/gnuradio-core/src/lib/general/gr_math.h
@@ -35,19 +35,6 @@ gr_is_power_of_2(long x)
   return x != 0 && (x & (x-1)) == 0;
 }
 
-long gr_gcd (long m, long n);
-
-// returns a non-zero value if value is "not-a-number" (NaN), and 0 otherwise
-int gr_isnan (double value);
-
-// returns a non-zero value if the value of x has its sign bit set.
-//
-// This  is  not  the  same  as `x < 0.0', because IEEE 754 floating point
-// allows zero to be signed.  The comparison `-0.0 < 0.0'  is  false,  but
-// `gr_signbit (-0.0)' will return a nonzero value.
-
-int gr_signbit (double x);
-  
 /*!
  * \brief Fast arc tangent using table lookup and linear interpolation
  * \ingroup misc